Don for that I would use one of the "transistor like package" 74L05's.
John On Thursday, March 12, 2015 at 3:30:55 AM UTC-7, Oscar wrote: > Don, > > > On Wednesday, March 11, 2015 at 6:48:09 PM UTC+1, Don Caprio wrote: >> >> If I'm reading the datasheet right for a 7 segment display it draws >> 25-30ma for each >> segment? Thats a current draw of 250ma if all segments are lit. > > > > 25mA is the maximum allowed, for maximum brightness. > > But I've used as little as 3-4 mA (1K resistors at 5V) to light up each > 7-segment display, it's bright enough depending on your preferences. So > that amounts to 7*4=28mA for each segment display digit. > > Regards, > > Oscar. > >> >> -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
